Re: The MSI Driver Guide HOWTO

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On Thu, Mar 09, 2023 at 10:57:51AM +0100, rec wrote:
> On 09/03/2023 00:03:04, Bjorn Helgaas wrote:
> > On Tue, Mar 07, 2023 at 12:22:44PM +0100, rec wrote:
> > > Like asked in : https://www.kernel.org/doc/html/latest/PCI/msi-howto.html#disabling-msis-globally
> 
> > Thanks for the report!  I assume this means your system has problems
> > with MSIs, and booting with "pci=nomsi" makes it work better?
> 
> You are welcome,
> The system doesn't boot completely without the "pci=nomsi" option.

What exactly do you mean by "it doesn't boot completely"?  I compared
the two dmesg logs, and I see that the "with MSI" log also has the
"single" parameter, so it will only boot to single-user mode.

The "pci=nomsi" log does not have "single", so it will boot normally.

But I guess if you omit both "single" and "pci=nomsi", something still
goes wrong?  Do you have a log for that case?

Bjorn



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